Four Way Switch Wiring Diagram. With these diagrams below it will take the guess work out of wiring. When wiring a 3-way switch circuit all we want to do is to control the black wire hot wire to turn on and off the load from 2 different locations.
You can have an indefinite number of 4-way switches in a circuit. Three-wire cable runs between the switches and 2-wire cable runs to the light. Can these cwires be criss crossed top to top bottom to bottom.
The source power black wire is coming in from the left.
4-way switch wiring diagram power at the switch. The diagram here will give you a better understanding how this circuit works and how a 3-way switch is wired. Wiring a 3-Way Light Switch. Injunction of two wires is usually indicated by black dot on the intersection of two lines.